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r/MechanicAdvice vs r/Justrolledintotheshop

Side-by-side using public descriptions, members, growth and rule titles from SubMouse. Missing fields show as n/a. Adult communities are excluded.

Swap sides New comparison Related to r/MechanicAdvice Related to r/Justrolledintotheshop

Shop war-story room vs mechanic advice room

r/Justrolledintotheshop’s public description covers the absurd things people bring into a place of business—and the people who bring them. r/MechanicAdvice presents advice from experienced mechanics across several fields.

In our directory the two are similar in size (Justrolledintotheshop about 2.2M, rank #505; MechanicAdvice about 2.2M, rank #516). Activity samples diverge sharply: MechanicAdvice posts far more often (~269 posts/day vs ~17). Justrolledintotheshop’s sample mixes images, links, galleries and video; MechanicAdvice’s sample mixes video, text, galleries, images and links with solved/help-style flairs. SubMouse already compares cars with MechanicAdvice; this pair is specifically shop war stories versus repair advice.

Rule titles: Justrolledintotheshop wants original content, detailed failure descriptions and bans help/troubleshooting and memes; MechanicAdvice bans “how screwed am I” posts, memes/AI junk and off-lane tire/audio/insurance threads.

Choose r/Justrolledintotheshop to share OC shop war stories—not to ask for a diagnosis.
Choose r/MechanicAdvice for practical repair troubleshooting under its one-incident and anti-meme rules.
Both sit outside the current Top 100 cut; cars-vs-mechanicadvice is a separate curated page.

Written comparison based on public descriptions and rule titles · updated 2026-11-07.

r/MechanicAdvice

Advice from experienced mechanics from several fields.

This is more than a car repair forum! Please read and follow the posting rules listed in the right hand sidebar.

Members: 2.2M
7-day growth: +2.6K
Posts/day: 268.8
Directory rank: #516
Created: Feb 17, 2012
Submissions: Text or links

Sample mix: videos 30%, text posts 26%, galleries 17%

Topics: Advice, Car Repair

Rule titles (short names we collected)

Advice- No "How F--ked/screwed am I?" Questions
No fake, joke, meme, illegal, malicious, offensive, unsafe, or AI generated posts/comments allowed
Be Courteous and Professional
One Incident Per Thread
No Tire, audio, video, used/new car, car insurance, suing a shop posts allowed on this sub
No Spam/Improper Linking
No Body Work, frame, rust or Detailing Questions Allowed On This Sub
Year, make, model, engine required on all posts

Open r/MechanicAdvice on SubMouse

About this community: r/MechanicAdvice (#516, about 2.2 million) — This is more than a car repair forum! Please read and follow the posting rules listed in the right hand sidebar. Collected rules highlight Advice- No "How F--ked/screwed am I?" Questions; No fake, joke, meme, illegal, malicious, offensive, unsafe, or AI generated posts/comme…; Be Courteous and Professional, among 8 listed. Activity mix in sample: video:207, text:180, gall…

r/Justrolledintotheshop

Just Rolled Into the Shop

For those absolutely stupid things that you see people bring, roll, or toss into your place of business and the people that bring them in.

Members: 2.2M
7-day growth: +588
Posts/day: 16.9
Directory rank: #505
Created: Mar 29, 2012
Submissions: Text or links

Sample mix: images 42%, links 28%, galleries 17%

Rule titles (short names we collected)

Original Content ONLY
Posts Need Not Be Automotive Related, But Must Follow Rule 1
No Help or Troubleshooting Posts
Must include a detailed description of problem or failure.
No Memes. No Rage Comics.
No posts from Facebook, Twitter, Instagram, etc.
Please cover or remove license plate numbers, VINs, phone numbers, and names.
No "spotted pictures" (eg: something you saw in the parking lot)
Discussion posts are allowed, but cannot be mechanic advice or help advice.
No for sale posts
Trend posts or karma trains are at moderator discretion

Open r/Justrolledintotheshop on SubMouse

About this community: r/Justrolledintotheshop (#505, about 2.2 million) — For those absolutely stupid things that you see people bring, roll, or toss into your place of business and the people that bring them in. Collected rules highlight Original Content ONLY; Posts Need Not Be Automotive Related, But Must Follow Rule 1; No Help or Troubleshooting Posts, among 12 listed. Activity mix in sample: image:53, link:35, gallery:21, video:10. M…

Supported differences

Aspect	r/MechanicAdvice	r/Justrolledintotheshop
Public focus (from each community’s public description)	This is more than a car repair forum! Please read and follow the posting rules listed in the right hand sidebar.	For those absolutely stupid things that you see people bring, roll, or toss into your place of business and the people that bring them in.
Size r/Justrolledintotheshop is larger in our directory.	2.2M members	2.2M members
Posting activity (our sample)	268.8/day	16.9/day
Common post types in our sample	videos 30%, text posts 26%, galleries 17%	images 42%, links 28%, galleries 17%
Topic tags on SubMouse	Advice, Car Repair	n/a
Selected rule titles (short names we collected)	Advice- No "How F--ked/screwed am I?" Questions; No fake, joke, meme, illegal, malicious, offensive, unsafe, or AI generated posts/comments allowed; Be Courteous and Professional; One Incident Per Thread; No Tire, audio, video, used/new car, car insurance, suing a shop posts allowed on this sub	Original Content ONLY; Posts Need Not Be Automotive Related, But Must Follow Rule 1; No Help or Troubleshooting Posts; Must include a detailed description of problem or failure.; No Memes. No Rage Comics.

Rules and posting patterns we can verify

Justrolledintotheshop short titles include: original content only; posts need not be automotive but must follow rule 1; no help or troubleshooting posts; must include a detailed description of problem or failure; no memes/rage comics; no posts from Facebook/Twitter/Instagram; mark NSFW when applicable; cover or remove license plates.

MechanicAdvice: advice—no “how f--ked/screwed am I?” questions; no fake/joke/meme/illegal/malicious/offensive/unsafe or AI-generated posts; be courteous and professional; one incident per thread; no tire/audio/video/used-car/insurance/suing-a-shop posts; no spam/improper linking. Our sample shows solved/help-style flairs.

Where this comparison comes from

Public descriptions and member counts from SubMouse’s safe-for-work directory. Short rule titles and activity samples SubMouse collected. Short titles only. Related curated page: cars-vs-mechanicadvice.

Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-02 UTC); 7-day growth measured from 2026-10-26. Posts/day and post-type mixes appear when we have an activity sample. Rule lines are short titles, not the full sidebar. Directory rank is listing order — communities outside the current Top 100 open in the info tool instead of a full community page.

Comparisons we prepared

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